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* [PATCH 7/8] mm: implement page cache reclaim speed
@ 2014-06-16  9:25 Xishi Qiu
  0 siblings, 0 replies; only message in thread
From: Xishi Qiu @ 2014-06-16  9:25 UTC (permalink / raw)
  To: Andrew Morton, Wanpeng Li, Greg Kroah-Hartman, aquini,
	Peter Zijlstra, Rik van Riel, Johannes Weiner, Michal Hocko
  Cc: Linux MM, LKML, Xishi Qiu, Li Zefan

The parameter vm_cache_reclaim_weight means every time we expect to
reclaim SWAP_CLUSTER_MAX * vm_cache_reclaim_weight pages.

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
 mm/vmscan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d179be6..23b808a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3430,7 +3430,7 @@ static unsigned long __shrink_page_cache(gfp_t mask)
 	struct scan_control sc = {
 		.gfp_mask = (mask = memalloc_noio_flags(mask)),
 		.may_writepage = !laptop_mode,
-		.nr_to_reclaim = SWAP_CLUSTER_MAX,
+		.nr_to_reclaim = SWAP_CLUSTER_MAX * vm_cache_reclaim_weight,
 		.may_unmap = 1,
 		.may_swap = 1,
 		.order = 0,
-- 
1.6.0.2


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2014-06-16  9:25 [PATCH 7/8] mm: implement page cache reclaim speed Xishi Qiu

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